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     <TITLE>Html</TITLE>
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<table border=3 cellpadding=5 cellspacing=0>
<tr>
     <td><h1 class="pagetitle">Html</h1>
         <b><a href="../../../misc/suppkey.htm">Support Key:</a></b>
         [<b><i class="fs">2</i></b>|<b class="s">3</b>|<b class="s">3.2</b>|<b class="s">4</b>] 
         [<b class="s">X1</b>|<b class="s">X1.1</b>]
         [<b class="s">IE1</b>|<b><i class="fs">M1</i></b>|<b class="s">N1</b>|<b class="s">O2.1</b>]</td>
     <td><a href="#what">What is it?</a><br>
         <a href="#attrib">Attributes</a><br>
         <a href="#example">Tag Example</a>
     </td>
     <td><a href="#model">Parent/Content Model</a><br>
         <a href="#tips">Tips &amp; Tricks</a><br>
         <a href="#peculiar">Browser Peculiarities</a></td>
</tr>
<tr><td align=center colspan=3>
<font size=2>= <span class="sitetitle">Index DOT Html</span> by <a href="../../../misc/email.htm">Brian Wilson</a> =</font>
</td></tr>
</table>

<font size=2>
     <a href="../../index.html">Main Index</a> |
     <a href="../../tree/htmltree.htm">Element Tree</a> |
     <a href="../../tagindex/a.htm">Element Index</a> |
     <a href="../../supportkey/a.htm">HTML Support History</a></font>
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<br><br>
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<tr><td>
<table border=0 cellspacing=0>
<tr>
   <th colspan=3 valign=bottom class="field"><big><u><b
       class="colheaders">&#160;&#160;&#160;Quick Statistics&#160;&#160;&#160;</b></u></big><br></th>
</tr>
<tr><th align=left><b class="l3heading"><a href="../stats.htm#et">End Tag:</a></b><br></th>
    <td rowspan=7>&nbsp;&nbsp;</td>
    <td><span class="magicword">Start &amp; End tag optional</span></td></tr>
<tr><th align=left><b class="l3heading"><a href="../stats.htm#std">Standards Details:</a></b><br></th>
    <td>In all HTML/XHTML DTDs</td></tr>
<tr><th align=left><b class="l3heading"><a href="../stats.htm#xhtm">XHTML Modules:</a></b><br></th>
    <td><b class=alert>Structure</b></td></tr>
<tr><th align=left valign=top><b class="l3heading"><a href="../stats.htm#disp">CSS 'display' Type:</a></b><br></th>
    <td>NA</td></tr>
<tr><th align=left valign=top><b class="l3heading"><a href="../stats.htm#css">CSS Mapping:</a></b><br></th>
    <td>NA</td></tr>
<tr><th align=left><b class="l3heading"><a href="../stats.htm#rnd">Default Rendering:</a></b><br></th>
    <td>NA</td></tr>
<tr><th align=left><b class="l3heading"><a href="../stats.htm#w3docs">Official Docs:</a></b><br></th>
    <td><a href="http://www.w3.org/TR/html401/struct/global.html#h-7.4.1">HTML 4.x</a>, 
        <a href="http://www.w3.org/TR/xhtml-modularization/abstract_modules.html#s_structuremodule">XHTML 1.1</a></td></tr>
</table>
</td></tr>
</table>

<a name="what"></a>
<dl>
<dt><big><b class="mainheading">What is it?</b></big>
    <dd>This is <em>THE</em> top level container element for an HTML document.
        It specifies that the content of the document is text with HTML markup
        tags. The content of an HTML document is a HEAD element which contains
        the title of the document plus other information <em>ABOUT</em> the
        document. Following the HEAD element comes the visible content of the
        document in the BODY element. Alternately, an author may specify a
        FRAMESET series in place of the BODY element that enumerates the
        layout of sub-documents to be contained in the master document.
</dl>


<a name="attrib"></a>
<dl>
<dt><br><big><b class="mainheading">Common Attributes</b></big>
<dt><b class="subheading">%<a href="../attributes/core.htm">Core</a>%</b>
     <dd>[<span class="ns">2</span>|<span class="ns">3</span>|<span class="ns">3.2</span>|<span class="ns">4</span>] 
         [<b><i class="fs">X1</i></b>|<span class="ns">X1.1</span>]
         [<b><i class="fs">IE4</i></b>|<span class="ns">M</span>|<b><i class="fs">N4</i></b>|<span class="ns">O</span>]

<dt><b class="subheading">%<a href="../attributes/language.htm">Language</a>%</b>
    <dd>[<span class="ns">2</span>|<span class="ns">3</span>|<span class="ns">3.2</span>|<b><i class="fs">4</i></b>]
        [<b class="s">X1</b>|<b class="s">X1.1</b>]
        [<span class="ns">IE</span>|<span class="ns">M</span>|<b class="s">N6B2</b>|<span class="ns">O</span>]

<dt><br><big><b class="mainheading">Specific Attributes</b></big>
<dt><b class="subheading">SDAForm</b>
<dt>[<b><i class="fs">2</i></b>|<span class="ns">3</span>|<span class="ns">3.2</span>|<span class="ns">4</span>] 
    [<span class="ns">X1</span>|<span class="ns">X1.1</span>]
    [<span class="ns">IE</span>|<span class="ns">M</span>|<span class="ns">N</span>|<span class="ns">O</span>]
    <dd><b class="l3heading"><a href="../stats.htm#std">Standards Details:</a></b> NA
    <dd><b class="l3heading">Required?</b> No
    <dd><b class="l3heading">Description:</b><br>
        This is an <a href="../../../misc/glossary.htm#sda">SGML Document Access
        (SDA)</a> attribute. SDA attributes are designed to transform HTML (and
        other SGML-based documents) to the <a href="../../../misc/glossary.htm#icadd">ICADD</a>
        DTD - which is used in creating accessible documents for users with
        visual disabilities (rendering in Braille, large print, speech
        synthesis, etc.) The attribute value specifies the name of the element
        to convert this element to in the SDA element group (in this case the
        'Book' element - "highest level element for document".) SDA also allows
        attributes and values from the original element to be used in the new
        SDA element where necessary.
    <dd><b class="l3heading">Value:</b> 
        <b class="alert">Book</b> (Denotes 'highest level element for document' in SDA.)

<dt><b class="subheading">Version</b>
<dt>[<b><i class="fs">2</i></b>|<b><i class="fs">3</i></b>|<b><i class="fs">3.2</i></b>|<b><i class="fs">4</i></b>] 
    [<span class="ns">X1</span>|<b class="s">X1.1</b>]
    [<span class="ns">IE</span>|<span class="ns">M</span>|<span class="ns">N</span>|<span class="ns">O</span>]
    <dd><b class="l3heading"><a href="../stats.htm#std">Standards Details:</a></b> 
        In all HTML 4.x DTDs. Not present in XHTML DTDs.
    <dd><b class="l3heading">Required?</b> No
    <dd><b class="l3heading">Description:</b><br>
        This is a quoted string called a Formal Public Identifier (FPI.) Every distinct
        DTD variation will have its own unique FPI string. For more on FPIs, see the
        <a href="../d/doctype.htm">!Doctype</a> element. Using this string appears to
        take the place of the !Doctype element.
    <dd><b class="l3heading">Values:</b><br>
        &#160;&#160;&#160;Strict DTD:
        &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
        <b class="alert">&quot;-//W3C//DTD HTML 4.0//EN&quot;</b><br>
        &#160;&#160;&#160;Transitional DTD:
        &#160;&#160;&#160;&#160;<b class="alert">&quot;-//W3C//DTD HTML 4.0 Transitional//EN&quot;</b><br>
        &#160;&#160;&#160;Frames DTD:
        &#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
        <b class="alert">&quot;-//W3C//DTD HTML 4.0 Frameset//EN&quot;</b>

<dt><b class="subheading">XMLNS</b>
<dt>[<span class="ns">2</span>|<span class="ns">3</span>|<span class="ns">3.2</span>|<span class="ns">4</span>] 
    [<b><i class="fs">X1</i></b>|<b class="s">X1.1</b>]
    [<b><i class="fs">IE5</i></b>|<span class="ns">M</span>|<span class="ns">N</span>|<span class="ns">O</span>]
    <dd><b class="l3heading"><a href="../stats.htm#std">Standards Details:</a></b> 
        Not present in HTML DTDS. In all XHTML DTDs.
    <dd><b class="l3heading">Required?</b> Yes
    <dd><b class="l3heading">Description:</b><br>
        This specifies the namespace prefix to use for this document, which is xhtml.
    <dd><b class="l3heading">Values:</b> <b class="alert">http://www.w3.org/1999/xhtml</b>
</dl>


<a name="example"></a>
<dl>
<dt><big><b class="mainheading">Example</b></big>
    <dd><div class="example">&lt;<b class="tagname">html</b>
        <span class="tagattrib">xmlns</span>="http://www.w3.org/1999/xhtml"&gt;<br>
        &lt;<b class="tagname">head</b>&gt;<br>
        &#160;&#160;&#160;&#160;&lt;<b class="tagname">title</b>&gt;this
        is a title&lt;/<b class="tagname">title</b>&gt;<br>
        &lt;/<b class="tagname">head</b>&gt;<br>
        &lt;<b class="tagname">body</b>&gt;<br>
        &#160;&#160;&#160;&#160;Document content<br>
        &lt;/<b class="tagname">body</b>&gt;<br>
        &lt;/<b class="tagname">html</b>&gt;</div>
</dl>


<a name="model"></a>
<dl>
<dt><big><b class="mainheading">Parent Model</b></big>
    <dd><b class="alert">NA</b>
<dt><big><b class="mainheading">Content Model</b></big>
    <dd>&lt;<a href="../b/body.htm">body</a>&gt; |
        &lt;<a href="../f/frameset.htm">frameset</a>&gt; |
        &lt;<a href="head.htm">head</a>&gt;
</dl>


<a name="tips"></a>
<big><b class="mainheading">Tips &amp; Tricks</b></big>
<ul>
    <li><a href="../../../testing/html/tags/h/html-bp1.htm">[Test]</a>
        The HTML element was not a required element in the HTML specifications (but it is required 
        under XHTML), and most popular browsers will not react oddly to its absence. 
        Still, this is a basic top level element in the HTML/XHTML document structure 
        and it is recommended to use it.
</ul>

<a name="peculiar"></a>
<big><b class="mainheading">Browser Peculiarities</b></big>
<ul>
    <li><a href="../../../testing/html/tags/h/html-bp2.htm">[Test]</a>
        Netscape 6, Beta 1 did not support CSS attached via the HTML element.
        This was fixed in N6B2 and above.
</ul>


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